Transitioning to a more sustainable beauty routine is a commendable decision. One way to do this is by opting for zero-waste blush sticks. These products are designed to reduce waste and are often packaged in biodegradable or recyclable materials. Here are some options you can consider:

1. Axiology Lip-to-Lid Balmies: This is a versatile product that can be used on your lips, lids, and cheeks. It's made with organic oils and is free from synthetic fragrances and petroleum. The product comes in a paper box that can be recycled.

2. Elate Cosmetics Universal Creme: This blush stick is made with natural and organic ingredients, and it comes in a bamboo container that is both beautiful and eco-friendly. The product is cruelty-free and vegan.

3. Fat and the Moon Beam Highlighter: This product is made with natural ingredients like sunflower oil and beeswax. It comes in a reusable glass jar with a metal lid, making it a zero-waste option.

4. River Organics Blush Stick: This blush stick is made with organic ingredients and comes in a compostable paper tube. It's vegan and cruelty-free.

5. Dab Herb Makeup's Blush: This product is made with organic ingredients and comes in a reusable glass jar. It's cruelty-free and vegan.

6. RMS Beauty Lip2Cheek: This is a dual-purpose product that can be used on your lips and cheeks. It's made with organic ingredients and comes in a recyclable glass pot with a metal lid.

When choosing a zero-waste blush stick, it's important to consider the ingredients. Look for products that are made with natural and organic ingredients, and avoid those that contain harmful chemicals. Remember, sustainable beauty is not just about reducing waste, but also about using products that are safe for your skin and the environment.